CVE-2026-63846Disclosure

LOWCVSS 7.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/jpeg: set no_user_fence for JPEG v3.0 ring JPEG rings do not support 64-bit user fence writes, reject CS submissions with user fences. (cherry picked from commit 4d7d774f100efb5089c86a1fb8c5bf47c63fc9ef)

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-20

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Full discourse1 post

DFIR Lab@DFIR_Lab91d
Disclosure
🚨 CVE-2026-63846 | CVSS 7.8 HIGH Linux kernel vulnerability in AMD GPU JPEG driver. Local privilege escalation possible via improper user fence handling in JPEG v3.0 rings. Affects: Linux kernel with AMD GPU support #CVE #Vulnerability #PatchNow https://t.co/QEectGxk2s
Post summary
This tweet announces CVE‑2026‑63846, a high‑severity local privilege escalation vulnerability in the Linux kernel’s AMD GPU JPEG driver, but provides no PoC, exploit code, or patch details.
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